[Mithadan]

Lorien has not the slightest clue why everyone is so angry at him. From his perspective, he came for a purpose (which was not his idea and with which he had his doubts), was asked about it by Cami and answered. Pio and Bird happened to be present at the time he was asked.

His delay in speaking of it is attributable to his being unused to the passage of time in the "mortal lands". Nor could he conceive that his "good deed" could be construed as anything other than an act of kindness. What he has brought to the table is the best the Valar could offer and he is shocked at the reception it has received.

His manner of presentation of the offer is a result of both his lack of everyday contact with Men and his use of the Common Tongue. The latter is a language he does not speak in Valinor. While he can use it to communicate, he lacks the expertise to infuse his words with compassion; an analogy is learning a language through books rather than everyday use. Combined with his unfamiliarity with the way Men commonly interact, his words seem cold and imperious.

As for his drunkeness, in Valinor, he could drink a boatload of mead and be pretty much unaffected. The effect that drinking has on his body in Middle Earth is a surprise to him.